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Find prompts, compare tools and navigate Maviter. AI answers stay inside Maviter's indexed evidence.

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Free AI tools / 18 calculators and utilities

Small decisions. Clear answers.

Choose a model, improve a prompt or work out the cost before committing. Every formula and boundary stays visible. Calculate locally, then choose whether to keep an eligible result privately.

Choose a calculator →Learn the foundations first
LOCAL MODEL MEMORYPINNED MODEL9B · Q4GPU / VRAMSYSTEM RAMWEIGHTS + CACHE + RESERVECAPACITY CANDIDATE · VERIFY RUNTIME
Free calculationsNo automatic savingNo provider connectionMy saved calculations →
Choose one practical question

Start with the decision in front of you.

These are decision aids, not automatic purchasing or infrastructure agents. Use the result to narrow the next check, then verify changing facts with the provider, publisher or system owner.

Everyday questions. Immediate answers.

No project to set up. No login needed. Get one useful answer, then learn what to do next.

How long is my voiceover script?Text Length & Speaking-Time Calculator →
What size should my image be?Image & Video Aspect-Ratio Calculator →
What do all my AI subscriptions cost?AI Subscription Budget Planner →

Choose a model

Model Match

Shortlist downloadable models for your task, context and available memory. See why each candidate fits and what you still need to test.

Open tool

Improve a prompt

RAG Chunk Planner

Estimate document chunks, repeated overlap and the retrieved passages that fit alongside your instructions and answer.

Open tool

Prompt Diff

See the exact lines added and removed between two prompts, with a separate review of removed constraints and simple conflicting rules.

Open tool

Plan cost and delivery

Infrastructure and capacity

Check the foundations.

Keep using the five original calculators for hosting, API cost, tokens, DNS and local hardware.

HOSTING ROUTEYOUR WORKMANAGED SITESIMPLEST VALID ROUTEMANAGED APPCOMPARE WHEN CONTROL IS NEEDEDVPS CONTROLCOMPARE WHEN CONTROL IS NEEDED
01 / About 2 minutes

Hosting Selector

Compare managed website hosting, managed application hosting and a VPS from five practical decisions—not from plan marketing.

Outcome: A primary route, a close alternative and the checks to verify before purchase
Open Hosting Selector
USAGE → COSTINPUT TOKENS2,000OUTPUT TOKENS800YOUR CURRENT RATESPERIOD ESTIMATERATE × USE
02 / About 1 minute

API Cost Calculator

Enter provider prices and expected workload to see per-request, daily and period costs. Calculations stay local unless you explicitly save a private snapshot.

Outcome: A transparent cost breakdown in the currency of the rates you supplied
Open API Cost Calculator
CONTEXT BUDGETINSTRUCTION + SOURCESOUTPUTSAFETYDOCUMENTED CONTEXT WINDOWKeep capacity for tools, system instructions and variance.
03 / Under 1 minute

Token Fit Calculator

Reserve output space and a safety margin, then see whether your instructions and source material fit inside the documented context window.

Outcome: A comfortable, tight or over-limit verdict with exact remaining capacity
Open Token Fit Calculator
CONTROLLED DNS CHANGEWEBA / CNAMEMAILMX / SPFHTTPSCERTROLLBACKOWNERRELEASE GATE
04 / About 3 minutes

DNS Readiness Check

Walk through website, email, HTTPS and rollback dependencies before touching a live domain. The result is a preparation check—not a live DNS scan.

Outcome: A weighted readiness score, critical blockers and the next checks to close
Open DNS Readiness Check
LOCAL MODEL MEMORYPINNED MODEL9B · Q4GPU / VRAMSYSTEM RAMWEIGHTS + CACHE + RESERVECAPACITY CANDIDATE · VERIFY RUNTIME
05 / About 2 minutes

Local LLM Fit Calculator

Choose a pinned open-weight model, quantization and context target. Maviter estimates weight, KV-cache and runtime memory without downloading a model or profiling your device.

Outcome: A memory-fit candidate, visible arithmetic and the runtime checks still required
Open Local LLM Fit Calculator
Private by choice

Calculate freely. Keep only what you choose.

Eleven established number-and-choice calculators support explicit private saving. The three everyday tools and four established pasted-text tools stay local-only, and refreshing clears their inputs. No private input goes into analytics or an AI model. Premium and Team users can compare eligible saved snapshots and export decision briefs.

  1. 01 / EnterUse real planning values
  2. 02 / CalculateSee the formula and assumptions
  3. 03 / VerifyCheck volatile facts at source
  4. 04 / KeepOptionally save eligible evidence